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Improve concurrency of build processes on AIX machines.

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node.js

调研方向

从所引用的 AIX 机器条目中的 ansible/inventory.yml 开始,然后检查 issue #2566 中的分析以及 pull request #2574 中的自动化更改。使用受支持的 Node.js 版本(包括 Node.js 22),在更高并发度下比较直接构建和由 Jenkins 驱动的构建。如果测试支持此更改,则建立安全的 AIX 并发设置并将其应用于构建自动化,即视为完成。

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描述

platform:aix

Many of our current AIX machines have significant processing power and RAM (Most are 4-core with SMT8) and 32GiB if RAM. We are currently throttling some of them to -j8 or lower which means the machines are likely to be underutilised relative to their ability:

https://github.com/nodejs/build/blob/7d8af5b858e3e6b22b198e4091a09ecc32bc7cb2/ansible/inventory.yml#L122

This issue will cover experimenting to see if we can increase this, as duering some recent testing I have been running directly on the machine with values of -j16 without issues (Noting that it's also possible that running through jenkins has different effects...)

The limitations were initially put in due to the analysis in https://github.com/nodejs/build/issues/2566 and then added to our automation in https://github.com/nodejs/build/pull/2574 - it's not clear which versions of Node were affected but I will also try node.js 22 to cover both ends of what we are supporting. I will also note that the specific machine which was listed as failing with anything greater than 3 is currently offline.

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环境准备

  • 没有 Dockerfile 或 Docker Compose 文件
  • 没有 Pull Request 模板
  • 阅读贡献指南

从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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